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annotate libutil/revnibbles.c @ 158:3698c8192d2d

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libutil: hex digit functions factored out
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Feb 2021 20:41:31 +0000
parents f064dbcc5f41
children 2557012666ea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4360a7906f34 reversed nibbles parsing functions factored out into libcommon
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1 /*
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2 * This module implements some reversed-nibbles parsing functions.
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3 */
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4
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5 #include <sys/types.h>
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6
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7 decode_reversed_nibbles(bytes, nbytes, dest)
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8 u_char *bytes;
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9 unsigned nbytes;
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10 char *dest;
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11 {
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12 u_char *sp;
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13 char *dp;
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14 unsigned n, c;
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15
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16 sp = bytes;
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17 dp = dest;
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18 for (n = 0; n < nbytes; n++) {
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19 c = *sp & 0xF;
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20 *dp++ = encode_hex_digit(c);
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21 c = *sp >> 4;
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22 *dp++ = encode_hex_digit(c);
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23 sp++;
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24 }
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25 }